Lucas Nuzzi is a co-founder and CEO of PortexAI, focused on AI evaluations and data research. Lucas Nuzzi's Twitter Score is 176 out of 1000 (an Excellent rating) as of August 2026, ranking #2,872 (top 1%) among 483,944 tracked accounts.
Lucas Nuzzi co-founded PortexAI, where he leads work on AI evaluations and data. He is a co-author of the paper "AsymmetryZero: A Framework for Operationalizing Human Expert Preferences as Semantic Evals" and of COMPOSITE-Stem, a benchmark for evaluating AI agents on expert-written STEM tasks, both published in 2026.
Lucas Nuzzi has accumulated 27,282 followers as of August 2026 and has published 1,901 posts. He has been mentioned by 96 accounts, with 176 total mentions.
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The accounts that follow Lucas Nuzzi include 596 founders, 172 angel investors, 281 influencers and 11 VCs, among them Chris Dixon, Marc Andreessen, Laura Shin, Chris Burniske, Kyle Samani and Nic Carter.